Our department has no water supply problems. Why would we want to use “Class A” foam agents on our everyday structural attacks?
Use of “Class A” foam concentrates allows you one more tool to accomplish your job more safely and quickly. Determined by the National Institute of Standards and Technology, Center for Fire Research in Maryland, and the Bureau of Land Management Foam Projects, “Class A” foaming agents, by modifying the surface tension of the water, increase the solutions ability to penetrate and suppress fire by 3 to 5 times. Aerated foam will cling to and blanket “Class A” fuels, insulate exposures from radiant heat, and provide water penetration on hard to reach deep seated fire.
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